2. Internal Lab Registeration http://www.cit.just.edu.jo/ labreg/lab/signup.aspxhttp://www.cit.just.edu.jo/ labreg/lab/signup.aspx http://www.just.edu.jo/mu nzer/ Chapter 1- Visual Basic Schneider1

3. 2 Chapter 1 An Introduction to Computers and Visual Basic

4. Chapter 1- Visual Basic Schneider3 Outline and Objectives –Introduction to Computers –Using Windows –Files and Folders –An Introduction to Visual Basic

5. Chapter 1- Visual Basic Schneider4 Parts of a Computer System: Hardware: Electronic Devices Software: Instructions and Computer Programs

6. Chapter 1- Visual Basic Schneider5 Main components of Hardware: Input : Keyboard, Mouse System unit: –Random Access Memory (RAM) –Central Processing Unit (CPU) Output: Monitor, Printer Secondary Storage: Disk Drive

7. Chapter 1- Visual Basic Schneider6 Random Access Memory (RAM) Stores program instructions and data needed for processing. Stores intermediate and final results of processing. Contents are erased when computer is turned off or reset.

8. Chapter 1- Visual Basic Schneider7 Programming Languages: Machine Language High level Language

9. Chapter 1- Visual Basic Schneider8 Machine Language The fundamental language of the computer’s processor, also called Low Level Language. All programs are converted into machine language before they can be executed.

10. Chapter 1- Visual Basic Schneider9 High Level Language Computer (programming) languages that are easier to learn. Uses English like statements. Examples are C++, Visual Basic, and Java

11. Chapter 1- Visual Basic Schneider10 Software: Instructions for the hardware. A collection of instructions is called a program.

12. Chapter 1- Visual Basic Schneider11 Using Windows Basic techniques to use the mouse: –Pointing –Clicking –Dragging –Double-Clicking –Hovering

13. Chapter 1- Visual Basic Schneider12 Key Terms in using Windows Title Bar Active window Dragging a window

14. Chapter 1- Visual Basic Schneider13 Using Windows –Reviewing Notepad to learn more about Windows applications –Notepad is an item in the Accessories menu

15. Chapter 1- Visual Basic Schneider14 Files & Folders: A disk can store thousands of files. To organize your files you have to store them in different folders (directories). File name consists of letters, digits, periods and other assorted characters. The following character cannot be used in a file or folder name /, \, ?, *, :, ”,, | A File name can contain up to 215 characters

16. Chapter 1- Visual Basic Schneider15 Key Terms in using Folders Root folder Path: A nested sequence of folders –Example: A:\Temp\MyProjects\ File Specification: A drive letter, path, and filename –Example: A:\Temp\MyProjects\Example.vbp

17. Chapter 1- Visual Basic Schneider16 History of Visual Basic: BASIC stands for Beginner’s All-purpose Symbolic Instruction Code. BASIC was developed by John Kemeny and Thomas Kurtz in mid-1960s. Visual Basic was released in 1991 by the Microsoft Corporation.

18. Chapter 1- Visual Basic Schneider17 Introduction to Visual Basic: A language used to create windows applications. Programs are developed with a Graphical User Interface or GUI. The instructions executed in the program are controlled by events.

19. Chapter 1- Visual Basic Schneider18 Terminology used in Visual Basic: Form Control Object Properties Event

20. Chapter 1- Visual Basic Schneider19 Steps to Design a Visual Basic Application Design the appearance of the window that the user sees. Determine the events that the controls on the window should recognize. Write the event procedures for those events.